fix(tcsh): remove quotes and escape backticks (#2429)

* feat: add support for tcsh

* add tcsh to install.sh install message

* list tcsh in bug_report.rs and main.rs

* quote starship path

Co-authored-by: David Knaack <davidkna@users.noreply.github.com>

* fix job count

* add tcsh support to shell module

* fix STARSHIP_START_TIME undefined error

* preserve existing user precmd and postcmd, remove jobs support

* remove unnecessary parentheses

* minor script improvement

* removes parens from install script message

* Update docs/config/README.md

Co-authored-by: Thomas O'Donnell <andytom@users.noreply.github.com>

* fix(Tcsh): remove unecessary quotes

Co-authored-by: David Knaack <davidkna@users.noreply.github.com>
Co-authored-by: Thomas O'Donnell <andytom@users.noreply.github.com>

README.md

@@ -242,7 +242,7 @@ shown below. Can't see yours? Have a look at the [extra platform instructions](h
    ```sh
    # ~/.tcshrc
 
-   eval "`starship init tcsh`"
+   eval `starship init tcsh`
    ```
 
 ## 🤝 Contributing

docs/README.md

@@ -122,6 +122,6 @@ description: Starship is the minimal, blazing fast, and extremely customizable p
    ```sh
    # ~/.tcshrc
 
-   eval "`starship init tcsh`"
+   eval `starship init tcsh`
    ```
 

install/install.sh

@@ -446,5 +446,5 @@ info "Please follow the steps for your shell to complete the installation:
   ${BOLD}${UNDERLINE}Tcsh${NO_COLOR}
   Add the following to the end of ${BOLD}~/.tcshrc${NO_COLOR}:
 
-      eval "`starship init tcsh`"
+      eval \`starship init tcsh\`
 "