logo: added the server logo config to OG

Resources/Logo_Variants/README.md

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+# Server Logos
+
+This folder contains images used for the Discord server icon.  
+It also contains [``_festivals.toml``](./_festivals.toml) which is used to choose what icon to show.
+
+## Festivals
+The config format for festivals is as follows
+```toml
+[[festivals]]
+name = "pride"
+all_year = true
+start = { day =  1, month =  6, year = 0}
+end   = { day = 30, month =  6, year = 0}
+
+[[festivals]]
+name = "easter"
+all_year = false
+start = { day =  13, month = 4, year = 2025}
+end   = { day = 27, month = 4, year = 2025}
+```
+
+### ``[[festivals]]``
+This "header" creates an array in the toml format, with everything below it (until the next ``[[festivals]]``) is part of that item.
+
+### ``name``
+Name of the festival, searches for icons which contain this name.
+
+### ``all_year``
+Can these icons be used year round?  
+In the sample above the ``pride`` icons can be used all year while the ``easter`` ones cannot.
+
+### ``start/end``
+What is the start/end dates of the festival.
+If the year is set to 0 then its for every year like the Pride one above.  
+Conversely if the year is filled in then it is only for that year, useful for moving festivals such as Easter
+
+If there is no active festival then any icon can be chosen, taking``all_year`` into account.
+
+## Adding new icons/Festivals
+1. Fork this repo
+2. Ensure that you have git and git-lfs installed.
+3. Add the new logos/festivals  
+   Image format:   
+   * svg
+   * jpg 
+   * png 
+   * gif
+4. Open a pull request

Resources/Logo_Variants/_festivals.toml

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+# This file controls what logos are displayed on the Skynet Discord server
+# See README.md for explaination of the fields
+
+[[festivals]]
+name = "pride"
+all_year = true
+start = { day =  1, month =  6, year = 0}
+end   = { day = 30, month =  6, year = 0}
+
+[[festivals]]
+name = "christmas"
+all_year = false
+start = { day =  1, month = 12, year = 0}
+end   = { day = 31, month = 12, year = 0}
+
+[[festivals]]
+name = "halloween"
+all_year = false
+start = { day =  1, month = 12, year = 0}
+end   = { day = 31, month = 12, year = 0}
+
+[[festivals]]
+name = "easter"
+all_year = false
+start = { day =  13, month = 4, year = 2025}
+end   = { day = 27, month = 4, year = 2025}