feat: update .bashrc for GPU configuration and add Miniconda to PATH; remove unused packages from Nix configuration

.bashrc

@@ -3,6 +3,12 @@ HISTFILE=~/.bash_history
 HISTSIZE=1000
 HISTFILESIZE=2000  # Adjusted to match both histfile and size criteria
 
+# GPU Related shenanigans
+if [ "$(hostname)" = "mennos-desktop" ]; then
+    export DRI_PRIME=1
+    export MESA_VK_DEVICE_SELECT=1002:744c
+fi
+
 # Docker Compose Alias (Mostly for old shell scripts)
 alias docker-compose='docker compose'
 
@@ -76,6 +82,9 @@ if [ -d "$HOME/.local/share/pnpm" ]; then
     export PATH=$PATH:$HOME/.local/share/pnpm
 fi
 
+# Miniconda
+export PATH="$HOME/miniconda3/bin:$PATH"
+
 # In case $HOME/.flutter/flutter/bin is found, we can add it to the PATH
 if [ -d "$HOME/.flutter/flutter/bin" ]; then
     export PATH=$PATH:$HOME/.flutter/flutter/bin