translation(sv): Update tutor1.sv to version 1.7

translation(sv): Update tutor1.sv to version 1.7

Updated Swedish translation of the Vim tutor from version 1.5 to 1.7.

Added missing lessons:
- Lesson 1.1.5: TEXT EDITING - APPENDING
- Lesson 1.1.6: EDITING A FILE
- Lesson 1.1 SUMMARY
- Lesson 1.2.3: ON OPERATORS AND MOTIONS
- Lesson 1.2.4: USING A COUNT FOR A MOTION
- Lesson 1.2.5: USING A COUNT TO DELETE MORE
- Lesson 1.2 SUMMARY
- Lesson 1.3.2: THE REPLACE COMMAND
- Lesson 1.3 SUMMARY
- Lesson 1.5.3: SELECTING TEXT TO WRITE (visual mode)
- Lesson 1.6: OPEN, APPEND, REPLACE, COPY/PASTE, OPTIONS
- Lesson 1.7: ONLINE HELP
- Lesson 1.8: CREATE A STARTUP SCRIPT
- Lesson 1.9: CONCLUSION

Original Swedish translation by Johan Svedberg.
Updated by Daniel Nylander.

closes: #19321

Signed-off-by: Daniel Nylander <po@danielnylander.se>
Signed-off-by: Christian Brabandt <cb@256bit.org>