Merge pull request #77 from jpfairbanks/docs_fix

adding synthetic edges df associated w/docs

examples/knowledge_graph/data/synth_kg_edges.csv

@@ -0,0 +1,13 @@
+src_vid,src_name,src_vtype,dst_vid,dst_name,dst_vtype,edge_relation,edge_description,value
+2158005519315541972,synth_code_method_jsnsyk,code_method,2158005519315541972,synth_code_method_jsnsyk,code_method,call,IsCalledBy,temp
+9273837100130050808,synth_argument_elfmkx,argument,2158005519315541972,synth_code_method_jsnsyk,code_method,input,IsInputTo,temp
+3606113519077284134,synth_argument_tuple_itftxv,argument_tuple,2158005519315541972,synth_code_method_jsnsyk,code_method,input,IsInputTo,temp
+3343965544259366387,synth_return_value_annbkh,return_value,2158005519315541972,synth_code_method_jsnsyk,code_method,output,IsOutputBy,temp
+4766690981297529572,synth_return_tuple_frgkar,return_tuple,2158005519315541972,synth_code_method_jsnsyk,code_method,output,IsOutputBy,temp
+11056813295400771843,synth_variable_kdazxm,variable,3542164719113921272,synth_unit_looxer,unit,unit,IsMeasuredIn,temp
+15820302655398115804,synth_control_flow_block_fjdopb,control_flow_block,2158005519315541972,synth_code_method_jsnsyk,code_method,unit,IsComponentOf,temp
+472880628319671776,synth_concept_xdlmje,concept,472880628319671776,synth_concept_xdlmje,concept,comp,IsComponentOf,temp
+4383933847320435830,synth_code_function_qxvfbb,code_function,472880628319671776,synth_concept_xdlmje,concept,impl,Implements,temp
+2158005519315541972,synth_code_method_jsnsyk,code_method,472880628319671776,synth_concept_xdlmje,concept,impl,Implements,temp
+10467744733476021502,synth_type_zmwlgf,type,10467744733476021502,synth_type_zmwlgf,type,inherit,IsSubTypeOf,temp
+10467744733476021502,synth_type_zmwlgf,type,472880628319671776,synth_concept_xdlmje,concept,repr,Represents,temp