add dockerfile for playbook testing

Dockerfile

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+FROM debian:bullseye
+
+RUN apt-get update && \
+  apt-get -y install \
+  ansible \
+  ansible-lint \
+  vim\
+  git
+RUN useradd -U -m -u 1000 user
+
+USER 1000
+ADD config/vimrc /home/user/.vimrc
+WORKDIR /data

config/vimrc

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+syntax enable
+set number
+set nolinebreak
+set showbreak=+
+set textwidth=100
+set showmatch
+set visualbell
+set nowrap
+
+colorscheme industry
+
+set hlsearch
+set smartcase
+set ignorecase
+set incsearch
+
+set autoindent
+set expandtab
+set shiftwidth=2
+set smartindent
+set smarttab
+set softtabstop=2
+
+set undolevels=1000
+set backspace=indent,eol,start
+highlight ExtraWhitespace ctermbg=red guibg=red
+match ExtraWhitespace /\s\+$\| \+\ze\t/