added search to option menu and make it pop up when keys on the physical keyboard are pressed

res/values-de/strings.xml

@@ -79,6 +79,7 @@
     <string name="menu_deleteKey">Delete Key</string>
     <string name="menu_createKey">Create Key</string>
     <string name="menu_editKey">Edit Key</string>
+    <string name="menu_search">Search</string>
 
     <!-- label_lowerCase: capitalized words, no punctuation -->
     <string name="label_sign">Sign</string>

res/values-ko/strings.xml

@@ -79,6 +79,7 @@
     <string name="menu_deleteKey">Delete Key</string>
     <string name="menu_createKey">Create Key</string>
     <string name="menu_editKey">Edit Key</string>
+    <string name="menu_search">Search</string>
 
     <!-- label_lowerCase: capitalized words, no punctuation -->
     <string name="label_sign">Sign</string>

res/values-ru/strings.xml

@@ -79,6 +79,7 @@
     <string name="menu_deleteKey">Delete Key</string>
     <string name="menu_createKey">Create Key</string>
     <string name="menu_editKey">Edit Key</string>
+    <string name="menu_search">Search</string>
 
     <!-- label_lowerCase: capitalized words, no punctuation -->
     <string name="label_sign">Sign</string>

res/values-sl/strings.xml

@@ -79,6 +79,7 @@
     <string name="menu_deleteKey">Izbriši ključ</string>
     <string name="menu_createKey">Ustvari ključ</string>
     <string name="menu_editKey">Uredi ključ</string>
+    <string name="menu_search">Search</string>
 
     <!-- label_lowerCase: capitalized words, no punctuation -->
     <string name="label_sign">Podpiši</string>

res/values/strings.xml

@@ -79,6 +79,7 @@
     <string name="menu_deleteKey">Delete Key</string>
     <string name="menu_createKey">Create Key</string>
     <string name="menu_editKey">Edit Key</string>
+    <string name="menu_search">Search</string>
 
     <!-- label_lowerCase: capitalized words, no punctuation -->
     <string name="label_sign">Sign</string>