docs: fix header sync diagrams (#5753)

Description
---
updates and fixes the header sync diagrams

docs/src/diagrams/header_sync.md

@@ -1,12 +1,13 @@
 ## header sync
 ```mermaid
 flowchart TD
+    META[version: v0.1</br>commit: 45c20a]
     A -..- N1>header_sync.rs line 130]
-    A -..- N2>header_sync/synchronizer.rs line 105]
+    AB-..- N2>header_sync/synchronizer.rs line 107]
     A[synchronize] --> B[1. try sync from all peers]
     B --> C[2. connect and attempt sync]
     C --> D[3. attemp sync]
-    D -..- N3>header_sync/synchronizer.rs line 284]
+    D -..- N3>header_sync/synchronizer.rs line 231]
     D --> E[(get local tip header)]
     E --> F[["Determine sync status"]]
     F--> G{SyncStatus?}    
@@ -25,41 +26,47 @@ flowchart TD
     N1:::note
     N2:::note
     N3:::note
+    META:::meta
    classDef note fill:#eee,stroke:#ccc
+   classDef meta fill:#b11,stroke:#ccc
 ```
 ## determine sync status
 ```mermaid
 flowchart TD
-    A -..- N1>header_sync/synchronizer.rs line 434]
+    META[version: v0.1</br>commit: 45c20a]
+    A -..- N1>header_sync/synchronizer.rs line 390]
     A[determine sync status] --> B[1. find chain split]
-    B -..- N2>header_sync/synchronizer.rs line 364]
+    B -..- N2>header_sync/synchronizer.rs line 311]
     B --> C[(fetch 500 headers back)]
     C --> D[2.Send headers to remote peer for matching]
     D --> E{Result back}
     E -->|RPC::RequestFailed|C  
-    E -->|Some headers returned|F{3.Too much headers returned}
+    E -->|Some data returned|F{3.Too much headers returned}
     F --> |Yes| G[ban peer]
     F --> |No|I{4.bad data returned}
     I --> |Yes| G
     I --> |No|J{5.No headers returned}
-    J --> |Yes|K{6.returned forked inde > 0}
+    J --> |Yes|K{6.returned forked index > 0}
     K --> |Yes|L[return WereAhead]
     K --> |No|M[return Insync]
-    J --> |No|N[7.validater returned headers]
+    J --> |No|N[7.validate returned headers]
     N --> O{8. remote peer tip height < split height}
     O --> |Yes| G
     O --> |No|P[return Lagging]
 
 
     N1:::note
     N2:::note
+    META:::meta
    classDef note fill:#eee,stroke:#ccc
+   classDef meta fill:#b11,stroke:#ccc
 ```
 
 ## synchronise headers
 ```mermaid
 flowchart TD
-    A -..- N1>header_sync/synchronizer.rs line 566]
+    META[version: v0.1</br>commit: 45c20a]
+    A -..- N1>header_sync/synchronizer.rs line 496]
     A[synchronie_headers] --> B{1. Compare PoW}
     B --> |Yes| C[2.Switch chain to pending chain]
     C --> D[Rewind chain if desired]
@@ -69,9 +76,9 @@ flowchart TD
     F --> |Yes|G{4. Compare PoW}
     G --> |No|H[ban peer]
     F --> |No| I[5. Sync headers stream]
-    G --> |Yes| I
+    G --> |Yes| IA[return ok]
     I --> J[6. Stream get next header]
-    J -->|some header| K[(Get local chain metadata height)]
+    J -->|some header| K[Get local chain metadata height]
     K --> L{7.existing header?}
     L --> |Yes|J
     L --> |No|M[8. validate header]
@@ -87,71 +94,7 @@ flowchart TD
     S --> |No| U[Return Ok]
 
     N1:::note
+    META:::meta
    classDef note fill:#eee,stroke:#ccc
+   classDef meta fill:#b11,stroke:#ccc
 ```
-
-```mermaid
-flowchart TD
-    A[attempt_sync] -->B[determine_sync_status]
-    A -..- DB>DB access featch last header]
-    B -..- N1>synchronizer.rs line 434]
-
-    B --> C[fn find_chain_split]
-    C -..- N2>synchronizer.rs line 364]
-
-    C -->|remote peer| D[fn find_chain_split]
-    D -..- N3>sync/rpc/service.rs line 364]
-
-    D -->|GRAPH REMOTE|E[[fn determine_sync_status]]    
-    E -..- N1>synchronizer.rs line 434]
-
-    E -->|empty_headers|K[Is fork hash > 0]
-    K --> |true| L[Return we are ahread]
-    K --> |false|G[Return insync]
-    E -->|too many returned|F[ban peer]
-    E -->|index >= hashes returned|F[Return ban peer]
-    L --> |Check if our meta data has changed|M[ban peer on true]
-    G --> |Check if our meta data has changed|M[ban peer on true]
-    E -->|iterate over returned headers| H[Validate initial headers]
-    H --> I[is split height greater than claimed height]
-    I -->|No|F[Return ban peer]
-    I --> J[Lagging state]
-    J --> N[fn Synchroize_headers]
-    N -..- N4>synchronizer.rs line 566]
-
-    N --> O[is intial headers pow's higher than current chain]
-    O --> |Yes|P[swap to chain to intial headers]    
-    O --> |No|Q[Has peer sent max headers]
-    P --> Q[Has peer sent max headers]
-    Q --> |No|R[is intial headers pow's higher than current chain]
-    R --> |No|S[ban peer]
-    R --> |Yes|T[Exit header sync, go to block sync]
-    Q --> |Yes|U[iterate over header stream]
-    U --> V[Does it follow prev header]
-    V --> |No|W[ban peer]
-    V --> |Yes|X[Does it already exist in chain] 
-    X --> |Yes|W[ban peer]
-    X --> |No|Y[validate] 
-    Y --> |No|W[ban peer]
-    Y --> |Yes|Z[Have we swapped to new chain]
-    Z --> |Yes|AA[Add to main chain]
-    Z --> |No|AB[is the new temp chain's pow higher than the local chain]
-    AB --> |Yes|AC[Swap to new chain]
-    AC --> AD[End of header stream]
-    Z --> AD[End of header stream]
-    AD --> |No|U
-    AD --> |Yes|AE[Have we swapped chains]
-    AE --> |No|AF[is the temp chains'pow less than originally claimed by the peer]
-    AF --> |Yes|W
-    AF --> |No|AG[local chain is higher, exit sync]
-    AE --> AH[is new chains'pow less than originally claimed by the peer]
-    AH --> |Yes|W
-    AH --> |No|AI[Go on to block sync]
-
-    N1:::note
-    N2:::note
-    N3:::note
-    N4:::note
-    DB:::note
-    classDef note fill:#eee,stroke:#ccc
-    ```