[Feature] add precise search type for Elastic Search (#12869)

* feat: add type query parameters for specifying precise search

* feat: add select dropdown in search box

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

modules/context/pagination.go

@@ -53,4 +53,5 @@ func (p *Pagination) SetDefaultParams(ctx *Context) {
 	p.AddParam(ctx, "sort", "SortType")
 	p.AddParam(ctx, "q", "Keyword")
 	p.AddParam(ctx, "tab", "TabName")
+	p.AddParam(ctx, "t", "queryType")
 }