feat: add rust solution to lc problem: No.2529 (#1260)

Signed-off-by: xiaolatiao <1628652790@qq.com>

Author: dierbei

solution/2500-2599/2529.Maximum Count of Positive Integer and Negative Integer/README.md

@@ -287,6 +287,25 @@ impl Solution {
 }
 ```
 
+```rust
+impl Solution {
+    pub fn maximum_count(nums: Vec<i32>) -> i32 {
+        let mut a = 0;
+        let mut b = 0;
+
+        for n in nums {
+            if n > 0 {
+                a += 1;
+            } else if n < 0 {
+                b += 1
+            }
+        }
+
+        std::cmp::max(a, b)
+    }
+}
+```
+
 ### **C**
 
 ```c

solution/2500-2599/2529.Maximum Count of Positive Integer and Negative Integer/README_EN.md

@@ -264,6 +264,25 @@ impl Solution {
 }
 ```
 
+```rust
+impl Solution {
+    pub fn maximum_count(nums: Vec<i32>) -> i32 {
+        let mut a = 0;
+        let mut b = 0;
+
+        for n in nums {
+            if n > 0 {
+                a += 1;
+            } else if n < 0 {
+                b += 1
+            }
+        }
+
+        std::cmp::max(a, b)
+    }
+}
+```
+
 ### **C**
 
 ```c