Refactor Traffic Engineering (TE) link attributes section

Removed redundant Traffic Engineering (TE) link attributes section and added it back with updated content.

README.md description of BGP-LS for OSPF,IS-IS is added

README.md description of BGP-LS for OSPF,IS-IS is added

BGP-LS for OSPF,IS-IS including TE

Readme.md v2.58 TE attributes, new API methods, UI improvements

Add files via upload

v2.54 BGP-LS is onboarded

Updated README.md to enhance clarity and detail about Topolograph's features and usage.

v2.54 BGP-LS is onboarded

Updated README.md to enhance clarity and detail about Topolograph's features and usage.

Update README.md. Telegram group

Update README.md. Telegram group