added ghostty theme, added fastfetch config and a documentation

.config/ghostty/themes/catppuccin-latte.conf

@@ -0,0 +1,22 @@
+palette = 0=#5c5f77
+palette = 1=#d20f39
+palette = 2=#40a02b
+palette = 3=#df8e1d
+palette = 4=#1e66f5
+palette = 5=#ea76cb
+palette = 6=#179299
+palette = 7=#acb0be
+palette = 8=#6c6f85
+palette = 9=#d20f39
+palette = 10=#40a02b
+palette = 11=#df8e1d
+palette = 12=#1e66f5
+palette = 13=#ea76cb
+palette = 14=#179299
+palette = 15=#bcc0cc
+background = eff1f5
+foreground = 4c4f69
+cursor-color = dc8a78
+cursor-text = eff1f5
+selection-background = d8dae1
+selection-foreground = 4c4f69