feat: add select dropdown in search box

Author: jnlin

options/locale/locale_en-US.ini

@@ -232,6 +232,8 @@ users = Users
 organizations = Organizations
 search = Search
 code = Code
+search.fuzzy = Fuzzy
+search.match = Match
 repo_no_results = No matching repositories found.
 user_no_results = No matching users found.
 org_no_results = No matching organizations found.
@@ -1393,6 +1395,8 @@ activity.git_stats_deletion_n = %d deletions
 
 search = Search
 search.search_repo = Search repository
+search.fuzzy = Fuzzy
+search.match = Match
 search.results = Search results for "%s" in <a href="%s">%s</a>
 
 settings = Settings

templates/explore/code.tmpl

@@ -5,8 +5,18 @@
 		<form class="ui form ignore-dirty" style="max-width: 100%">
             <input type="hidden" name="tab" value="{{$.TabName}}">
             <div class="ui fluid action input">
-                <input name="q" value="{{.Keyword}}" placeholder="{{.i18n.Tr "explore.search"}}..." autofocus>
-                <button class="ui blue button">{{.i18n.Tr "explore.search"}}</button>
+		<div class="twelve wide field">
+			<input name="q" value="{{.Keyword}}" placeholder="{{.i18n.Tr "explore.search"}}..." autofocus>
+		</div>
+		<div class="two wide field">
+			<select name="t">
+				<option value="" selected>{{.i18n.Tr "explore.search.fuzzy"}}</option>
+				<option value="match">{{.i18n.Tr "explore.search.match"}}</option>
+                	</select>
+		</div>
+		<div class="three field">
+                	<button class="ui blue button">{{.i18n.Tr "explore.search"}}</button>
+		</div>
             </div>
         </form>
         <div class="ui divider"></div>

templates/repo/search.tmpl

@@ -5,10 +5,20 @@
 		<div class="ui repo-search">
 			<form class="ui form ignore-dirty" method="get">
 				<div class="ui fluid action input">
-					<input name="q" value="{{.Keyword}}" placeholder="{{.i18n.Tr "repo.search.search_repo"}}">
-					<button class="ui button" type="submit">
-						<i class="search icon"></i>
-					</button>
+					<div class="twelve wide field">
+						<input name="q" value="{{.Keyword}}" placeholder="{{.i18n.Tr "repo.search.search_repo"}}">
+					</div>
+					<div class="two wide field">
+						<select name="t">
+							<option value="" selected>{{.i18n.Tr "repo.search.fuzzy"}}</option>
+							<option value="match">{{.i18n.Tr "repo.search.match"}}</option>
+						</select>
+					</div>
+					<div class="three field">
+						<button class="ui button" type="submit">
+							<i class="search icon"></i>
+						</button>
+					</div>
 				</div>
 			</form>
 		</div>