fix: add quotes to search syntax examples in SEARCH.md for consistency

SEARCH.md

@@ -5,56 +5,55 @@ Here are some examples showcasing how you can use the search syntax in Urocissa:
 ### 1. Search by Any
 
 ```
-any: samsung
+any: "samsung"
 ```
 
 Search for data that matches the **samsung** in any field.
 
 ### 2. Simple Extension Search
 
 ```
-ext: jpeg
+ext: "jpeg"
 ```
 
 Search for data extension that is **jpeg**.
 
 ### 3. Search by Model and Type
 
 ```
-or(model: SLT-A57, type: image, model: SLT-A58)
+or(model: "SLT-A57", type: "image", model: "SLT-A58")
 ```
 
 Search for data related to either camera model SLT-A57 or SLT-A58, or image type.
 
 ### 4. Search by Tag
 
 ```
-tag: nature
+tag: "nature"
 ```
 
 Search for data that is tagged with **nature**.
 
 ### 5. Search by Make
 
 ```
-make: nikon
+make: "nikon"
 ```
 
 Search for data related to the **Nikon** make.
 
 ### 6. Not Expression Search
 
 ```
-not(model: outdated)
+not(model: "outdated")
 ```
 
 Search for data that does **not** have the **outdated** model.
 
 ### 7. Complex Combination
 
 ```
-and(type: image, not(tag: private), or(any: sony, any: samsung))
+and(type: "image", not(tag: "private"), or(any: "sony", any: "samsung"))
 ```
 
 Search for **image type** data, excluding items tagged as **private**, and including items that have **sony** or **samsung** in any field.
-