Update configuration template and setup

.env.sample

@@ -0,0 +1,63 @@
+# Server Information
+SERVER_ADMIN="Company LLC"
+SERVER_LOCATION="France"
+SERVER_PROTOCOL="https"
+SERVER_DOMAIN="https://example.org"
+
+# Default Instances and Options
+## Set the instances you want to use.
+## Can be overriden by the user in their preferences.
+DEFAULT_MEDIA_PROXY="https://yt.sudovanilla.org" # Invidious (YouTube)
+DEFAULT_MEDIA_DATA_PROXY="https://yt.sudovanilla.org" # Invidious (YouTube)
+DEFAULT_STREAM_PROXY="https://twitch-backend.sudovanilla.org" # SafeTwitch (Twitch)
+DEFAULT_STREAM_DATA_PROXY="https://twitch-backend.sudovanilla.org" # SafeTwitch (Twitch)
+DEFAULT_IMAGE_PROXY="https://ipx.sudovanilla.org"
+DEFAULT_PLAYER="Zorn"
+
+# Important Information
+## If you've modified the source code, please publish 
+## your changes and list the repo here.
+MODIFIED="false"
+CUSTOM_SOURCE_CODE=""
+
+# UI Customization
+META_COLOR=""
+COLOR=""
+THEME=""
+THEME_TOGGLE_ENABLED=""
+THEME_TOGGLE_STYLE=""
+FOOTER_VERSION=""
+REVERT_LAYOUT=""
+SIDEBAR_CATEGORIES="true"
+SIDEBAR_DISCOVER="false"
+
+# Platform Support
+PLATFORM_YOUTUBE="true"
+PLATFORM_TWITCH="true" # Planned
+
+# Analytics
+ANALYTICS="false"
+
+MATOMO_ID=""
+MATOMO_SRC=""
+
+PLAUSIBLE_DOMAIN=""
+PLAUSIBLE_SRC=""
+
+UMAMI_ID=""
+UMAMI_SRC=""
+
+AMPLITUDE_APIKEY=""
+
+METRICAL_APP=""
+
+FATHOM_SITE=""
+FATHOM_SRC=""
+
+MINIAML_ID=""
+
+SWETRIX_SRC=""
+SWETRIX_API=""
+SWETRIX_PROJECT_ID=""
+
+SIMPLEANALYTICS_DOMAIN=""