Update the README and fix some typos (#199)

* Updated the readme with the additional targets and fixed some typos

* fix spacing with macos-11

* fix more typos

lib/emulator-manager.js

@@ -89,7 +89,7 @@ function launchEmulator(apiLevel, target, arch, profile, cores, ramSize, sdcardP
 }
 exports.launchEmulator = launchEmulator;
 /**
- * Kills the running emulator on the defaut port.
+ * Kills the running emulator on the default port.
  */
 function killEmulator() {
     return __awaiter(this, void 0, void 0, function* () {
@@ -110,7 +110,7 @@ function waitForDevice() {
         let booted = false;
         let attempts = 0;
         const retryInterval = 2; // retry every 2 seconds
-        const maxAttemps = EMULATOR_BOOT_TIMEOUT_SECONDS / 2;
+        const maxAttempts = EMULATOR_BOOT_TIMEOUT_SECONDS / 2;
         while (!booted) {
             try {
                 let result = '';
@@ -130,7 +130,7 @@ function waitForDevice() {
             catch (error) {
                 console.warn(error.message);
             }
-            if (attempts < maxAttemps) {
+            if (attempts < maxAttempts) {
                 yield delay(retryInterval * 1000);
             }
             else {