feat: add rust solution to lc problem: No.2785 (#4713)

Author: yanglbme

solution/2700-2799/2785.Sort Vowels in a String/README.md

@@ -182,6 +182,33 @@ function sortVowels(s: string): string {
 }
 ```
 
+#### Rust
+
+```rust
+impl Solution {
+    pub fn sort_vowels(s: String) -> String {
+        fn is_vowel(c: char) -> bool {
+            matches!(c.to_ascii_lowercase(), 'a' | 'e' | 'i' | 'o' | 'u')
+        }
+
+        let mut vs: Vec<char> = s.chars().filter(|&c| is_vowel(c)).collect();
+        vs.sort_unstable();
+
+        let mut cs: Vec<char> = s.chars().collect();
+        let mut j = 0;
+
+        for (i, c) in cs.clone().into_iter().enumerate() {
+            if is_vowel(c) {
+                cs[i] = vs[j];
+                j += 1;
+            }
+        }
+
+        cs.into_iter().collect()
+    }
+}
+```
+
 #### C#
 
 ```cs

solution/2700-2799/2785.Sort Vowels in a String/README_EN.md

@@ -180,6 +180,33 @@ function sortVowels(s: string): string {
 }
 ```
 
+#### Rust
+
+```rust
+impl Solution {
+    pub fn sort_vowels(s: String) -> String {
+        fn is_vowel(c: char) -> bool {
+            matches!(c.to_ascii_lowercase(), 'a' | 'e' | 'i' | 'o' | 'u')
+        }
+
+        let mut vs: Vec<char> = s.chars().filter(|&c| is_vowel(c)).collect();
+        vs.sort_unstable();
+
+        let mut cs: Vec<char> = s.chars().collect();
+        let mut j = 0;
+
+        for (i, c) in cs.clone().into_iter().enumerate() {
+            if is_vowel(c) {
+                cs[i] = vs[j];
+                j += 1;
+            }
+        }
+
+        cs.into_iter().collect()
+    }
+}
+```
+
 #### C#
 
 ```cs

solution/2700-2799/2785.Sort Vowels in a String/Solution.rs

@@ -0,0 +1,22 @@
+impl Solution {
+    pub fn sort_vowels(s: String) -> String {
+        fn is_vowel(c: char) -> bool {
+            matches!(c.to_ascii_lowercase(), 'a' | 'e' | 'i' | 'o' | 'u')
+        }
+
+        let mut vs: Vec<char> = s.chars().filter(|&c| is_vowel(c)).collect();
+        vs.sort_unstable();
+
+        let mut cs: Vec<char> = s.chars().collect();
+        let mut j = 0;
+
+        for (i, c) in cs.clone().into_iter().enumerate() {
+            if is_vowel(c) {
+                cs[i] = vs[j];
+                j += 1;
+            }
+        }
+
+        cs.into_iter().collect()
+    }
+}