chore: cleanup deps and fix example code

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "oxido"
-version = "2.6.0"
+version = "2.6.1"
 edition = "2021"
 
 [profile.release]
@@ -14,5 +14,4 @@ debug = true
 [dependencies]
 clap = { version = "3.1.18", features = ["derive"] }
 codespan-reporting = "0.11.1"
-inkwell = { version = "0.4.0", features = ["llvm17-0"] }
 rustyline = "11.0.0"

examples/echo.oxi

@@ -1,3 +1,3 @@
-let a = read();
+let a: str = read();
 
 println(a);

examples/factorial.oxi

@@ -1,6 +1,6 @@
-let s = "10";
+let s: str = "10";
 
-let n = int(s);
+let n: int = int(s);
 
 fn factorial(n: int) -> int {
     if n == 0 {
@@ -10,6 +10,6 @@ fn factorial(n: int) -> int {
     return n * factorial(n - 1);
 }
 
-let f = factorial(n);
+let f: int = factorial(n);
 
 println(f);

examples/pattern.oxi

@@ -1,5 +1,5 @@
-let i = 1;
-let j = 1;
+let i: int = 1;
+let j: int = 1;
 
 loop {
     if i > 5 {

examples/search.oxi

@@ -2,8 +2,8 @@ let a: vec<int> = [];
 
 print("Enter number of values to be read: ");
 
-let n = int(read());
-let i = 0;
+let n: int = int(read());
+let i: int = 0;
 
 loop {
     if i == n {
@@ -16,9 +16,9 @@ loop {
 
 print("Enter value to be searched: ");
 
-let x = int(read());
+let x: int = int(read());
 
-let found = false;
+let found: bool = false;
 
 i = 0;