chore: add olas-modius quickstart

.env.example

@@ -0,0 +1,5 @@
+FORK_URL=
+NODE_ENV=
+DEV_RPC=
+STAKING_TEST_KEYS_PATH=
+IS_STAGING=

.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+.yarn/install-state.gz
+frontend/node_modules
+
+# next.js
+frontend/.next/
+frontend/out/
+frontend/.swc/
+
+# production
+frontend/build
+
+# local env files
+.env
+.env*.local
+.DS_STORE
+
+# python
+.tox/
+.operate/
+.operate*/
+__pycache__/
+data/
+backend/temp/
+backend/tmp/
+
+tmp/
+temp/
+
+!operate/data
+electron/.next
+
+dist/
+build/
+
+cache
+leak_report
+
+*.dist
+*.build
+/electron/bins/
+
+# logs
+*.log
+/.olas-modius/