[text-auditor] Batch fix untracked RSA field/docs typo families (efffectively/varaible/isnt)

## Text Improvements

The following user-facing text issues were found in the repository. These are clear, low-effort typo/grammar fixes and appear across both field definitions and generated package docs.

### 1. `efffectively` -> `effectively`

**Current text:** `...which efffectively constitutes a template`

**Suggested fix:** `...which effectively constitutes a template`

**Why:** Clear misspelling in user-facing field descriptions.

**Files:**
- `packages/bluecoat/data_stream/director/fields/fields.yml` (line 485)
- `packages/bluecoat/docs/README.md` (line 611)
- `packages/cylance/data_stream/protect/fields/fields.yml` (line 485)
- `packages/cylance/docs/README.md` (line 528)
- `packages/fortinet_forticlient/data_stream/log/fields/fields.yml` (line 485)
- `packages/fortinet_forticlient/docs/README.md` (line 768)
- `packages/juniper_junos/data_stream/log/fields/fields.yml` (line 485)
- `packages/juniper_junos/docs/README.md` (line 714)
- `packages/juniper_netscreen/data_stream/log/fields/fields.yml` (line 485)
- `packages/juniper_netscreen/docs/README.md` (line 701)
- `packages/netscout/data_stream/sightline/fields/fields.yml` (line 485)
- `packages/netscout/docs/README.md` (line 612)
- `packages/radware/data_stream/defensepro/fields/fields.yml` (line 485)
- `packages/radware/docs/README.md` (line 611)
- `packages/tomcat/data_stream/log/fields/fields.yml` (line 485)
- `packages/tomcat/docs/README.md` (line 536)

### 2. `varaible` -> `variable`

**Current text:** `VMWare Target **VMWARE** only varaible.`

**Suggested fix:** `VMWare Target **VMWARE** only variable.`

**Why:** Clear misspelling in user-facing field descriptions.

**Files:**
- `packages/bluecoat/data_stream/director/fields/fields.yml` (line 578)
- `packages/bluecoat/docs/README.md` (line 671)
- `packages/cylance/data_stream/protect/fields/fields.yml` (line 578)
- `packages/cylance/docs/README.md` (line 588)
- `packages/fortinet_forticlient/data_stream/log/fields/fields.yml` (line 578)
- `packages/fortinet_forticlient/docs/README.md` (line 828)
- `packages/juniper_junos/data_stream/log/fields/fields.yml` (line 578)
- `packages/juniper_junos/docs/README.md` (line 774)
- `packages/juniper_netscreen/data_stream/log/fields/fields.yml` (line 578)
- `packages/juniper_netscreen/docs/README.md` (line 761)
- `packages/netscout/data_stream/sightline/fields/fields.yml` (line 578)
- `packages/netscout/docs/README.md` (line 672)
- `packages/radware/data_stream/defensepro/fields/fields.yml` (line 578)
- `packages/radware/docs/README.md` (line 671)
- `packages/tomcat/data_stream/log/fields/fields.yml` (line 578)
- `packages/tomcat/docs/README.md` (line 596)

### 3. `clear.Also` / `isnt` -> `clear. Also` / `isn't`

**Current text:** `...is not clear.Also it captures the Device Hostname. Any Hostname that isnt ad.computer.`

**Suggested fix:** `...is not clear. Also it captures the Device Hostname. Any Hostname that isn't ad.computer.`

**Why:** Clear punctuation/grammar defects in user-facing descriptions.

**Files:**
- `packages/bluecoat/data_stream/director/fields/fields.yml` (line 1183)
- `packages/bluecoat/docs/README.md` (line 678)
- `packages/cylance/data_stream/protect/fields/fields.yml` (line 1183)
- `packages/cylance/docs/README.md` (line 595)
- `packages/fortinet_forticlient/data_stream/log/fields/fields.yml` (line 1183)
- `packages/fortinet_forticlient/docs/README.md` (line 835)
- `packages/juniper_junos/data_stream/log/fields/fields.yml` (line 1183)
- `packages/juniper_junos/docs/README.md` (line 781)
- `packages/juniper_netscreen/data_stream/log/fields/fields.yml` (line 1183)
- `packages/juniper_netscreen/docs/README.md` (line 768)
- `packages/netscout/data_stream/sightline/fields/fields.yml` (line 1183)
- `packages/netscout/docs/README.md` (line 679)
- `packages/radware/data_stream/defensepro/fields/fields.yml` (line 1183)
- `packages/radware/docs/README.md` (line 678)
- `packages/tomcat/data_stream/log/fields/fields.yml` (line 1183)
- `packages/tomcat/docs/README.md` (line 603)

## Suggested Actions

- [ ] Replace `efffectively` with `effectively` in all listed files.
- [ ] Replace `varaible` with `variable` in all listed files.
- [ ] Replace `clear.Also` with `clear. Also` and `isnt` with `isn't` in all listed files.

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