Create cupcake_theme.zsh-theme

Add custom Zsh theme with personalized prompt

- Created a new custom theme file: my_awesome_theme.zsh-theme
- Customized main prompt to include:
  - User, host, and directory icons
  - Git branch information
  - Virtual environment indicator
- Defined a continuation prompt
- Updated .zshrc to use the custom theme

cupcake_theme.zsh-theme

@@ -0,0 +1,44 @@
+# Set main prompt
+function main_prompt() {
+    local icon_user="🥷"
+    local icon_host="💻"
+    local icon_directory="📁"
+    local icon_branch="🕉️"
+    local icon_end="└❯"
+    local virtualenv_char="ⓔ"
+
+    # Check if inside a virtual environment
+    local virtualenv_prompt=""
+    if [[ -n $VIRTUAL_ENV ]]; then
+        virtualenv_prompt="%{$fg_bold[blue]%}${virtualenv_char}%{$reset_color%} "
+    fi
+
+    # Git branch information
+    local git_prompt=""
+    if git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
+        local branch=$(git symbolic-ref --short HEAD 2>/dev/null)
+        if [ -n "$branch" ]; then
+            git_prompt=" on ${icon_branch} ${branch}"
+        fi
+    fi
+
+    # Set main prompt
+    PS1="%{$fg_bold[green]%}┌ ${icon_user} %n @ ${icon_host} %M %{$fg_bold[cyan]%}${icon_directory} %~${virtualenv_prompt}${git_prompt}%{$reset_color%} %{%} %{$fg_bold[green]%}%{$reset_color%}%n${icon_end} "
+}
+
+# Set continuation prompt
+function continuation_prompt() {
+    PS2="${icon_end} "
+}
+
+# Call main_prompt function before each command
+precmd_functions+=('main_prompt')
+
+# Set continuation prompt function
+_omb_theme_PROMPT_COMMAND() {
+    main_prompt
+    continuation_prompt
+}
+
+# Call _omb_theme_PROMPT_COMMAND function before each command
+precmd_functions+=('_omb_theme_PROMPT_COMMAND')