install git conflict marker with keymaps

lua/custom/plugins/conflictmarker.lua

@@ -0,0 +1,15 @@
+-- Disable the default highlight group
+vim.g.conflict_marker_highlight_group = ''
+
+-- Include text after begin and end markers
+vim.g.conflict_marker_begin = '^<<<<<<< .*$'
+vim.g.conflict_marker_end = '^>>>>>>> .*$'
+
+-- Highlight groups
+vim.cmd 'highlight ConflictMarkerBegin guibg=#2f7366'
+vim.cmd 'highlight ConflictMarkerOurs guibg=#2e5049'
+vim.cmd 'highlight ConflictMarkerTheirs guibg=#344f69'
+vim.cmd 'highlight ConflictMarkerEnd guibg=#2f628e'
+vim.cmd 'highlight ConflictMarkerCommonAncestorsHunk guibg=#754a81'
+
+return { 'rhysd/conflict-marker.vim' }