Add initial project structure with README, LICENSE, and .gitignore config

.gitignore

@@ -0,0 +1,109 @@
+# Allowlisting gitignore template for GO projects prevents us
+# from adding various unwanted local files, such as generated
+# files, developer configurations or IDE-specific files etc.
+#
+# Recommended: Go.AllowList.gitignore
+
+# Ignore everything
+*
+
+# Especially these
+.vscode
+.vscode/
+.vscode/**
+**/.vscode
+**/.vscode/**
+node_modules
+node_modules/
+node_modules/**
+**/node_modules
+**/node_modules/
+**/node_modules/**
+/test*
+.idea
+.idea/
+.idea/**
+/.idea/
+/.idea/**
+/.idea
+# and others
+/go.work.sum
+/secp256k1/
+
+# But not these files...
+!/.gitignore
+!*.go
+!go.sum
+!go.mod
+!*.md
+!LICENSE
+!*.sh
+!Makefile
+!*.json
+!*.pdf
+!*.csv
+!*.py
+!*.mediawiki
+!*.did
+!*.rs
+!*.toml
+!*.file
+!.gitkeep
+!pkg/eth/**
+!*.h
+!*.c
+!*.proto
+!bundleData
+!*.item
+!*.bin
+!*.yml
+!*.yaml
+!*.tmpl
+!*.s
+!*.asm
+!.gitmodules
+!*.txt
+!*.sum
+!pkg/version
+!*.service
+!*.benc
+!*.png
+!*.adoc
+!*.js
+!*.bash
+!PATENTS
+!*.css
+!*.ts
+!*.html
+!Dockerfile
+!*.lock
+!*.nix
+!license
+!readme
+!*.ico
+!.idea/*
+!*.xml
+!.name
+!.gitignore
+!version
+!out.jsonl
+# ...even if they are in subdirectories
+!*/
+/blocklist.json
+/gui/gui/main.wasm
+/gui/gui/index.html
+pkg/database/testrealy
+/.idea/workspace.xml
+/.idea/dictionaries/project.xml
+/.idea/shelf/Add_tombstone_handling__enhance_event_ID_logic__update_imports.xml
+/.idea/.gitignore
+/.idea/misc.xml
+/.idea/modules.xml
+/.idea/orly.dev.iml
+/.idea/vcs.xml
+/.idea/codeStyles/codeStyleConfig.xml
+/.idea/material_theme_project_new.xml
+/.idea/orly.iml
+/.idea/go.imports.xml
+/.idea/inspectionProfiles/Project_Default.xml
+/.idea/.name