Add initial Azure Functions support, clean up gitignore

.gitignore

@@ -1,42 +1,130 @@
-cache/
-build/
-data/
-appold.js
-migrate.js
-config.json
-.env
+# Logs
 logs
 *.log
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
 pids
 *.pid
 *.seed
 *.pid.lock
-lib-cov
-coverage
-.nyc_output
-.grunt
-bower_components
+
+# node-waf configuration
 .lock-wscript
-build/Release
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/
+
+# Dependency directories
 node_modules/
 jspm_packages/
-typings/
+
+# Optional npm cache directory
 .npm
+
+# Optional eslint cache
 .eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
 .node_repl_history
+
+# Output of 'npm pack'
 *.tgz
+
+# Yarn Integrity file
 .yarn-integrity
-.next
-.ftpconfig
-coverage.lcov
-bannedusers.json
-*.code-workspace
-todo.txt
-.vscode/
-migratedb.js
-processed.txt
-data.sqlite
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress v2.x temp and cache directory
+.temp
 .cache
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+# Debugging
+*.heap
+*.out.*
+
+# vscode stuff
+.vscode
+*.code-workspace
+
+# Databases
+data/
+*.sqlite
+
+# Azure Functions artifacts
+bin
+obj
+appsettings.json
+local.settings.json
+
+# Azurite artifacts
+__blobstorage__
+__queuestorage__
+__azurite_db*__.json